Dow-Key Microwave Corporation is the world's largest manufacturer of electromechanical switches for radio frequency (RF) and microwave applications.

1. Reliant SwitchTM for Better RF Testing
These days, RF switch & wireless devices have
many signal paths between enter and output ports
that need to endure rigorous and complex screening.
Therefore the use of coaxial switch is important,
allowing the user to easily switch between I/O ports
and staying away from the cumbersome task of
getting to disconnect and re-connect RF cables.
Repeatability among port-to-port testing and repetitive
tests across different DUTs is critical; making that the
life of the RF switch and its reliability essential.

2.  Dow-Key Microwave switch offers
launched a new product line which
meets all these critical functions. The
Reliant SwitchTM is a 1x6 bidirectional
coaxial switch with an operating
frequency through DC to 26. five GHz,
which covers the typical 6 GHz test
range and past for high-speed testing.
This particular switch is designed with a
higher isolation of 100 dB (up to 4 GHz)
to keep RF consistency between port-
to-port screenings. Moreover, the switch
may sustain a guaranteed attachment
loss repeatability of zero. 03 dB across
the whole frequency band. The RF
switch has an extended life cycle
wherever each position can switch a
minimum of 5-Million cycles, which is a
5X improvement from a typical multi-
position switch.

3.  To meet a variety of test and measurement
setups and signal switching configurations, the
Reliant SwitchTM is offered along with latching
actuators, position signals, SMA connectors
and with 50-ohm 2W ended ports. The switch
may operate both in break-before-make (cold-
switching) or even make-before-break (hot-
switching) applications and it has a switching
speed of 15 ms. A variety of manage options
are available, including manipulating the
switch with +24Vdc coils voltage, or using TTL
or CAN bus logic. For more sophisticated
control options, the CAN bus interface can be
transformed into Ethernet or GPIB with RS-
232 and USB controls with the addition of
externally a Dow-Key created controller board.
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